Patents by Inventor Toshiyuki Asanuma

Toshiyuki Asanuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5209427
    Abstract: A brake mechanism including a brake member, an urging force switching member pivotable and movable among a plurality of specified positions, and a single elastic member arranged between the brake member and the urging force switching member. By switching one of the action positions of the urging force switching member to another, a different urging force is applied to the brake member from the single elastic member according to the action positions. A drive and control member separately performs a switch-over between the pressing position and the releasing position of the brake member and a switch-over of one of the action positions of the urging force switching member to another.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: May 11, 1993
    Assignee: Clarion Co., Ltd.
    Inventors: Katsumi Yamaguchi, Shinichiro Terada, Katsuya Nozawa, Toshiyuki Asanuma, Yukio Ito